The term vortex is used to indicate that the air flows in a counterclockwise direction. Both polar vortexes are present ...

There is a sudden warming about to happen high up in the atmosphere. This warming usually affects the Polar Vortex.

The polar vortex is a large area of low pressure, cold air around the Earth's poles that blows westward during the winter and eastward during the summer. A polar vortex collapse occurs when air in ...

Despite the poor weather conditions it is not, however, the second coming of a polar vortex, a phrase the National Weather Service's Chicago office tweeted earlier this week to describe the ...

A polar vortex is a ‘large area of low pressure and cold air surrounding both of the Earth’s poles’ that ‘ALWAYS exists near ...

The polar bears pass through Churchill, Manitoba, hoping to catch a ride out of the tiny town on Hudson Bay's sea ice. After a summer of fasting on land, the bears need to get back to their frozen ...

A polar vortex collapse is expected to bring severe winter weather to Canada and the US mid-month. This event could also ...

and growing new feathers for their return trip to the Arctic—and polar summer. Throughout, careful illustrations set the terns alongside a larger community of wildlife: the tiny fish on which ...